tests: tidy tox

LICENCE

@@ -7,7 +7,7 @@ Exceptions or notable authors are listed below
 in reverse chronological order:
 
 * files: *
-  MPLv2.0 2015-2021 (c) Casper da Costa-Luis
+  MPLv2.0 2015-2023 (c) Casper da Costa-Luis
   [casperdcl](https://github.com/casperdcl).
 * files: tqdm/_tqdm.py
   MIT 2016 (c) [PR #96] on behalf of Google Inc.

tox.ini

@@ -4,21 +4,16 @@
 # and then run "tox" from this directory.
 
 [tox]
-# deprecation warning: py{27,py2,34,35,36}
-envlist=py{27,34,35,36,37,38,39,310,311,py2,py3}{,-tf}{,-keras}, perf, setup.py
+envlist=py{37,38,39,310,311,py3}{,-tf}{,-keras}, perf, setup.py
 isolated_build=True
 
 [gh-actions]
 python=
-    2.7: py27
-    3.5: py35
-    3.6: py36
     3.7: py37
     3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311
-    pypy-2.7: pypy2
     pypy-3.7: pypy3
 [gh-actions:env]
 PLATFORM=
@@ -27,12 +22,11 @@ PLATFORM=
 [core]
 deps=
     pytest
-    py3{4,5,6}: pytest<7
     pytest-cov
     pytest-timeout
-    py3{7,8,9,10,11}: pytest-asyncio
-    py3{6,7,8,9,10,11}: ipywidgets
-    py3{7,8,9,10,11}: git+https://github.com/casperdcl/nbval.git@master#egg=nbval
+    pytest-asyncio
+    ipywidgets
+    git+https://github.com/casperdcl/nbval.git@master#egg=nbval
     coverage
     coveralls
     codecov
@@ -50,26 +44,17 @@ deps=
     matplotlib
     numpy
     pandas
+    rich
     tf: tensorflow!=2.5.0
-    !py27-keras: keras
-    py27-keras: keras<2.5
-    py35-keras: keras<2.7
-    py27-tf: protobuf<3.18
-    py3{6,7,8,9,10,11}: rich
+    keras: keras
 commands=
-    py3{4,5,6}: pytest --cov=tqdm --cov-report=xml --cov-report=term -k "not perf" -o addopts= -v --tb=short -rxs -W=error --durations=0 --durations-min=0.1
-    py3{7,8,9,10,11}: pytest --cov=tqdm --cov-report= tests_notebook.ipynb --nbval --nbval-current-env -W=ignore --nbval-sanitize-with=setup.cfg
-    py3{7,8,9,10,11}: pytest --cov=tqdm --cov-report=xml --cov-report=term --cov-append -k "not perf"
+    pytest --cov=tqdm --cov-report= tests_notebook.ipynb --nbval --nbval-current-env -W=ignore --nbval-sanitize-with=setup.cfg
+    pytest --cov=tqdm --cov-report=xml --cov-report=term --cov-append -k "not perf"
     {[core]commands}
 allowlist_externals=codacy
 
-[testenv:py{27,py2}{,-tf}{,-keras}]
-commands=
-    pytest --cov=tqdm --cov-report=xml --cov-report=term -k "not perf" -o addopts= -v --tb=short -rxs -W=error --durations=10
-    {[core]commands}
-
 # no cython/numpy/pandas
-[testenv:py{34,py2,py3}]
+[testenv:pypy3]
 deps={[core]deps}
 
 [testenv:perf]